For the uninitiated, GRUB is the Grand Unified Bootloader. It's a little tiny, but important, bit of software that allows you to actually boot into Linux, BSD and all sorts of other operating systems (it even 'chainloads' Windows in a dual-boot environment).

It's great when it's working fine, but occasionally you might lose it. If you're doing a dual boot, and you reinstall Windows, for example ...

The Beryl Project is what gives us the ability to have beautiful 3D desktop effects on Linux. Actually, it's forked from Compiz, which can do many of the effects too, but at the present time Beryl has more customisability and features.

In this post, I'm going to show you how easy it is to configure your 3D effects to your liking, by using in the built-in graphical settings ...

Firefox is a great browser, and part of that is it's extensibility. As well as extensions and themes, Firefox also has an extensive set of hidden preferences that you can't get to through the graphical Preferences dialogue.

Instead, you can access them via the built-in about:config URL (just visit that in Firefox).